<template>
  <div class="hello">
    <h2>你好啊！</h2>
  </div>
</template>

<script>
  export default {
    name:'Hello'
  }
</script>

<style scoped>
  .hello {
    color: blue;
    background-image: linear-gradient(45deg,red,yellow,green);
  }
</style>